Claude Sonnet 3.6 (2022-10-22) vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, context windows of 200K vs 1.0M, tested across 53 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-02-15
Claude Sonnet 3.6 (2022-10-22)Runner-up
No community votes yet. On paper, Qwen: Qwen3.5 Plus 2026-02-15 has the edge — bigger model tier, newer, bigger context window.
Qwen: Qwen3.5 Plus 2026-02-15 is 6.3x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
7.5× cheaper
Output
$2.40
6.3× cheaper
Qwen: Qwen3.5 Plus 2026-02-15 is cheaper on both — 7.5× input, 6.3× output
Writing DNA
Style Comparison
Similarity
50%
Qwen: Qwen3.5 Plus 2026-02-15 uses 10.0x more emoji
Claude Sonnet 3.6 (2022-10-22)
Qwen: Qwen3.5 Plus 2026-02-15
66%Vocabulary54%
74wSentence Length18w
0.72Hedging0.51
0.3Bold5.3
8.9Lists2.9
0.00Emoji0.10
0.06Headings0.75
0.09Transitions0.09
Based on 21 + 23 text responses
Research
What we learned reading every model
FAQ
